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《Environmental Science & Technology》 2012-12
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Nonpoint Source Pollution from Urban Runoff and Pollution Abatement in Urban Waterways

PANG Cui-chao,WU Shi-qiang,ZHOU Jie,LV Xue-yan(Hydraulic Engineering Department,Nanjing Hydraulic Research Iinstitute,Nanjing 210029,China)  
To improve self-purification capacity of rivers coping with the increasing non-point source pollution,this paper highlights developing a one-dimensional hydrodynamic model based on Saint-Venant equations and a modified WASP5 model to simulate water quality of the river waterways in the west part of Nanjing City.Values of river water quality in terms of pollutant concentrations during either raining or clean-water diversion were obtained by coupling the hydrodynamic model into WASP5 water quality model,which indicated the seriousness of pollution due to urban rainfall run-off and the positive environmental effect of diverting clean water into the river system with pollutants being flushed out.
【Fund】: 水利部公益性行业科研专项项目(201001030);; 国家水体污染控制与治理科技重大专项(2012ZX07506-003);; 农业科技成果转化资金项目(2011GB23320010)
【CateGory Index】: X522
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